Question

A car is traveling due north at 20.7 m/s. Find the velocity of the car after 7.50s if its acceleration is
a. 1.60 m/s^2 due north
b. 1.95 m/s^2 due south

Answer 1

using north as positive
a) 32.7 m/s
b) .075 m/s

Answer 2

b)6.075 m/s sorry

Answer 3

\[V _{f}=V _{i}+at\]

Answer 4

My textbook says that b is 6.08 m/s north

Answer 5

Probably a sig fig error, but I get it now. Thanks!